Ayo Tanimowo played for Norwich's Under-18s during the 2017/18 season, making his debut against Swansea on 21st Octoberr 2017. He is a right back

In July 2018, he joined Brighton and Hove Albion's Academy. After playing 16 games for Brighton's Under-18s during 2019/20 and reaching the fifth round of the FA Youth Cup, he was rewarded with his first professional contract on 30th July 2020.

He was released by Brighton on 3rd June 2022. He trialled with Cheltenham in July 2022 and with Sheffield Wednesday in December 2022.

In August 2023 he signed for Waltham Abbey of the Southern League.

On 6th June 2024 he moved to Isthmian League side Wingate and Finchley.